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seq_midi_event.h
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1
11/*
12 * This library is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Lesser General Public License as
14 * published by the Free Software Foundation; either version 2.1 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 *
26 */
27
28#if !defined(__ASOUNDLIB_H) && !defined(ALSA_LIBRARY_BUILD)
29/* don't use ALSA_LIBRARY_BUILD define in sources outside alsa-lib */
30#warning "use #include <alsa/asoundlib.h>, <alsa/seq_midi_event.h> should not be used directly"
31#include <alsa/asoundlib.h>
32#endif
33
34#ifndef __ALSA_SEQ_MIDI_EVENT_H
35#define __ALSA_SEQ_MIDI_EVENT_H
36
37#ifdef __cplusplus
38 extern "C" {
39#endif
40
49 typedef struct snd_midi_event snd_midi_event_t;
50
51 int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev);
52 int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize);
53 void snd_midi_event_free(snd_midi_event_t *dev);
54 void snd_midi_event_init(snd_midi_event_t *dev);
55 void snd_midi_event_reset_encode(snd_midi_event_t *dev);
56 void snd_midi_event_reset_decode(snd_midi_event_t *dev);
57 void snd_midi_event_no_status(snd_midi_event_t *dev, int on);
58/* encode from byte stream - return number of written bytes if success */
59 long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev);
60 int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev);
61/* decode from event to bytes - return number of written bytes if success */
62 long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev);
63
66#ifdef __cplusplus
67}
68#endif
69
70#endif /* __ALSA_SEQ_MIDI_EVENT_H */
71
snd_midi_event_reset_decode
void snd_midi_event_reset_decode(snd_midi_event_t *dev)
Resets MIDI decode parser.
Definition seq_midi_event.c:244
snd_midi_event_resize_buffer
int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize)
Resizes the MIDI message encoding buffer.
Definition seq_midi_event.c:282
snd_midi_event_no_status
void snd_midi_event_no_status(snd_midi_event_t *dev, int on)
Enables/disables MIDI command merging.
Definition seq_midi_event.c:202
snd_midi_event_reset_encode
void snd_midi_event_reset_encode(snd_midi_event_t *dev)
Resets MIDI encode parser.
Definition seq_midi_event.c:228
snd_midi_event_init
void snd_midi_event_init(snd_midi_event_t *dev)
Resets MIDI encode/decode parsers.
Definition seq_midi_event.c:259
snd_midi_event_free
void snd_midi_event_free(snd_midi_event_t *dev)
Frees a MIDI event parser.
Definition seq_midi_event.c:183
snd_midi_event_decode
long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev)
Decodes sequencer event to MIDI byte stream.
Definition seq_midi_event.c:559
snd_midi_event_new
int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev)
Creates a MIDI event parser.
Definition seq_midi_event.c:152
snd_midi_event_encode_byte
int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev)
Encodes byte to sequencer event.
Definition seq_midi_event.c:400
snd_midi_event_encode
long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev)
Encodes bytes to sequencer event.
Definition seq_midi_event.c:362
snd_midi_event_t
struct snd_midi_event snd_midi_event_t
Definition seq_midi_event.h:49
snd_seq_event_t
Definition seq_event.h:328